/*
* Copyright (c) 2024 -present FengJinjian ( 751965763@qq.com )
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package edu.vital.energy.longevity.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import edu.vital.energy.longevity.domain.dto.contract.ContractCreateDTO;
import edu.vital.energy.longevity.domain.dto.contract.ContractQueryDTO;
import edu.vital.energy.longevity.domain.dto.contract.ContractUpdateDTO;
import edu.vital.energy.longevity.entity.Contract;
import edu.vital.energy.longevity.mapper.ContractMapper;
import edu.vital.energy.longevity.service.IContractService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
import org.springframework.web.multipart.MultipartFile;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
* 合同表服务实现类
*
* @version 1.0.1
* @author Feng JinJian
* @date 2025-01-14
*/
@Slf4j
@Service
 public class ContractServiceImpl implements IContractService {

 @Autowired
 private ContractMapper contractMapper;

 @Override
 public Map<String, Object> getContractPage(Integer pageNum, Integer pageSize, ContractQueryDTO query) {
 // 构建查询条件
 LambdaQueryWrapper<Contract> wrapper = new LambdaQueryWrapper<>();

 // TODO: 根据实际字段添加查询条件


 // 按更新时间倒序
 wrapper.orderByDesc(Contract::getUpdateTime);

 // 执行分页查询
 IPage<Contract> page = contractMapper.selectPage(new Page<>(pageNum, pageSize), wrapper);

 // 包装返回结果
 Map<String, Object> result = new HashMap<>();
 result.put("records", page.getRecords());
 result.put("current", page.getCurrent());
 result.put("size", page.getSize());
 result.put("total", page.getTotal());
 result.put("pages", page.getPages());

 return result;
 }

 @Override
 public Contract getContractById(Long id) {
 Contract contract = contractMapper.selectById(id);
 if (contract == null) {
 throw new IllegalArgumentException("合同表不存在");
 }
 return contract;
 }

 @Override
 @Transactional(rollbackFor = Exception.class)
 public Long createContract(ContractCreateDTO dto) {
 Contract contract = new Contract();
 BeanUtils.copyProperties(dto, contract);
 contract.setStatus((byte) 1); // 设置初始状态

 contractMapper.insert(contract);
 log.info("创建合同表成功: id={}", contract.getId());

 return contract.getId();
 }

 @Override
 @Transactional(rollbackFor = Exception.class)
 public int updateContract(Long id, ContractUpdateDTO dto) {
 Contract contract = getContractById(id);
 BeanUtils.copyProperties(dto, contract);

 int rows = contractMapper.updateById(contract);
 log.info("更新合同表成功: id={}, 影响行数={}", id, rows);
 return rows;
 }

 @Override
 @Transactional(rollbackFor = Exception.class)
 public int deleteContract(Long id) {
 int rows = contractMapper.deleteById(id);
 if (rows <= 0) {
 throw new IllegalArgumentException("合同表不存在");
 }
 log.info("删除合同表成功: id={}, 影响行数={}", id, rows);
 return rows;
 }

 @Override
 @Transactional(rollbackFor = Exception.class)
 public int batchDeleteContract(List<Long> ids) {
 int rows = contractMapper.deleteBatchIds(ids);
 log.info("批量删除合同表成功: ids={}, 影响行数={}", ids, rows);
 return rows;
 }

 @Override
 public byte[] exportContract(ContractQueryDTO query) {

 throw new UnsupportedOperationException("导出功能待实现");
 }

 @Override
 @Transactional(rollbackFor = Exception.class)
 public void importContract(MultipartFile file) {

     throw new UnsupportedOperationException("导入功能待实现");
 }

 @Override
 @Transactional(rollbackFor = Exception.class)
 public void updateContractStatus(Long id, Integer status) {
 Contract contract = getContractById(id);

 contractMapper.updateById(contract);
 log.info("更新合同表状态成功: id={}, status={}", id, status);
 }
 }
